Reflective optical encoders target low power miniaturized motion control systems

Avago Technologies (San Jose, CA) announced a new series of 3-channel reflective optical encoder devices, the AEDR-87xx. The devices are suitable for use in low power miniaturized motion control systems such as stepper motors, electrical actuators, piezoelectric drives and portable medical appliances. Expanding upon previous generation devices, the new AEDR-87xx with encoding resolution up to 318 lines per inch (LPI) supports 3.3-V and 5-V supply voltage for low power applications and dual analog outputs interfacing directly with external interpolator for high precision motion control measurements. The devices are packaged in industry’s smallest form factor for 3-channel reflective optical encoder. Additional features include:

• Built-in Interpolator for 4x, 8x and 16x Interpolation (AEDR-871x).
• Built-in Automatic LED Current Regulation.
• Encoding Resolution: 318 LPI (up to 1.25-um pitch).

For more information, visit www.avagotech.com

Avago is now Broadcom Limited. Avago Technologies supplies a wide range of analog, mixed-signal and optoelectronic components and subsystems. The types of products manufactured by Avago Technologies include Mobile Phone Products: Front-End Modules, Handset Power ICs, Duplexers and Filters, Low Noise Amplifiers (LNA), WLAN Power Amplifiers, and Detector Switches...

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